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Issue #25277: Set a timeout of 10 minutes in test_eintr using faulthandler to

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try to debug a hang on the FreeBSD 9 buildbot.

Run also eintr_tester.py with python "-u" command line option to try to get the
full output on hang/crash.
This commit is contained in:
Victor Stinner 2015-10-01 13:16:43 +02:00
parent 2c6ea295ba
commit 98f223dfa0
2 changed files with 7 additions and 1 deletions
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5
Lib/test/eintrdata/eintr_tester.py
View File

@ -9,6 +9,7 @@ sub-second periodicity (contrarily to signal()).
""" """
import contextlib import contextlib
import faulthandler
import io import io
import os import os
import select import select
@ -50,6 +51,9 @@ class EINTRBaseTest(unittest.TestCase):
signal.setitimer(signal.ITIMER_REAL, cls.signal_delay, signal.setitimer(signal.ITIMER_REAL, cls.signal_delay,
cls.signal_period) cls.signal_period)
# Issue #25277: Use faulthandler to try to debug a hang on FreeBSD
faulthandler.dump_traceback_later(10 * 60, exit=True)
@classmethod @classmethod
def stop_alarm(cls): def stop_alarm(cls):
signal.setitimer(signal.ITIMER_REAL, 0, 0) signal.setitimer(signal.ITIMER_REAL, 0, 0)
@ -58,6 +62,7 @@ class EINTRBaseTest(unittest.TestCase):
def tearDownClass(cls): def tearDownClass(cls):
cls.stop_alarm() cls.stop_alarm()
signal.signal(signal.SIGALRM, cls.orig_handler) signal.signal(signal.SIGALRM, cls.orig_handler)
faulthandler.cancel_dump_traceback_later()
@classmethod @classmethod
def _sleep(cls): def _sleep(cls):

3
Lib/test/test_eintr.py
View File

@ -16,7 +16,8 @@ class EINTRTests(unittest.TestCase):
# Run the tester in a sub-process, to make sure there is only one # Run the tester in a sub-process, to make sure there is only one
# thread (for reliable signal delivery). # thread (for reliable signal delivery).
tester = support.findfile("eintr_tester.py", subdir="eintrdata") tester = support.findfile("eintr_tester.py", subdir="eintrdata")
script_helper.assert_python_ok(tester) # use -u to try to get the full output if the test hangs or crash
script_helper.assert_python_ok("-u", tester)
if __name__ == "__main__": if __name__ == "__main__":